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Eva8 [605]
1 year ago
7

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Mathematics
1 answer:
alexgriva [62]1 year ago
4 0

Answer:

Answer for 4th question

b = 7

Answer for 5th question

area= 99sq.in

Step-by-step explanation:

4. area of parallelogram= base × height

28= b × 4

b= 28/4

b = 7

5. area of parallelogram= base × height

area= 9 × 11

area= 9 sq.in

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Step-by-step explanation:

6,000,000-300=5,999,700

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2 years ago
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Keith used the following steps to find the inverse of f, but he thinks he made a error
astra-53 [7]

Answer:

Step-by-step explanation:

\Large \boldsymbol{} f(x)  \ \ inverse  \ \  function    \ \ (f(x))^{-1} \\\\ y=7x+5 \\\\x=7y+5 \\\\ y=\dfrac{x-5}{7}  \ \  or \  \  f(x)^{-1}= \dfrac{x-5}{7}

7 0
2 years ago
The polynomial 3x ^ 3 - 16x ^ 2 + 31x - 20 the area of a trapezoidal desktop . Of the bases of the x ^ 3 - 5x the height of the
vaieri [72.5K]

Answer:

Step-by-step explanation:

Given:

Area = 3x^3 - 16x^2 + 31x - 20

Base:

x^3 - 5x

Area of trapezoid, S = 1/2 × (A + B) × h

Using long division,

(2 × (3x^3 - 16x^2 + 31x - 20))/x^3 - 5x

= (6x^3 - 32x^2 + 62x - 40))/x^3 - 5x = 6 - (32x^2 - 92x + 40)/x^3 - 5x = 2S/Bh - Ah/Bh

= 2S/Bh - A/B

= (2S/B × 1/h) - A/B

Since, x^3 - 5x = B

Comparing the above,

A = 32x^2 - 92x + 40

2S/B = 6

Therefore, h = 1

6 0
3 years ago
A class is made up of 8 boys and 8 girls
rodikova [14]
Hello,

The answer is "8:8 or 1".

Reason:

There are 8 boys and 8 girls therefore the ratio would be...

8:8

8:8=1

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
3 0
3 years ago
PLEASE HELP ASAP 30 PTS ):
ASHA 777 [7]

Answer:


Step-by-step explanation:

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6 0
3 years ago
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